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Calculator.java
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59 lines (55 loc) · 2.36 KB
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import java.util.ArrayList;
public class Calculator {
public Calculator(int personCount, ArrayList<Dish> dishesList) {
calculate(personCount, dishesList);
}
private void calculate(int personCount, ArrayList<Dish> dishesList){
showDishList(dishesList);
totalPriceForPerson(personCount, dishesList);
}
private void showDishList(ArrayList<Dish> dishesList){
System.out.println("Добавленные товары:");
int a = 0;
String x = "рубль";
String y = "рубля";
String z = "рублей";
for(int i = 0; i < dishesList.size(); i++){
a = dishesList.get(i).getPrice().intValue();
String ending = String.valueOf(a);
ending = ending.substring(ending.length() - 1);
if(ending.equals("1")){
ending = x;
}
if(ending.equals("2") || ending.equals("3") || ending.equals("4")){
ending = y;
}
if(ending.equals("5") || ending.equals("6") || ending.equals("7") || ending.equals("8") || ending.equals("9") ||ending.equals("0")){
ending = z;
}
System.out.println("Позиция: " + dishesList.get(i).getName() + " Цена: " + String.format("%.2f", dishesList.get(i).getPrice()) + " " + ending);
}
}
private void totalPriceForPerson(int personCount, ArrayList<Dish> dishesList){
Double totalPrice = 0.0;
for(int i = 0; i < dishesList.size(); i++){
totalPrice = totalPrice + dishesList.get(i).getPrice();
}
totalPrice = totalPrice / personCount;
int a = totalPrice.intValue();
String x = "рубль";
String y = "рубля";
String z = "рублей";
String ending = String.valueOf(a);
ending = ending.substring(ending.length() - 1);
if(ending.equals("1")){
ending = x;
}
if(ending.equals("2") || ending.equals("3") || ending.equals("4")){
ending = x;
}
if(ending.equals("5") || ending.equals("6") || ending.equals("7") || ending.equals("8") || ending.equals("9") ||ending.equals("0")){
ending = z;
}
System.out.println("Итоговая цена для каждой персоны: " + String.format("%.2f", totalPrice) + " " + ending);
}
}